<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class Order extends Model
{
    protected $fillable = [
        'order_number','user_id','guest_email','status','payment_method',
        'subtotal','tax_total','shipping_cost','total','tracking_code','notes','paid_at',
    ];

    protected $casts = [
        'paid_at' => 'datetime',
        'subtotal' => 'decimal:2',
        'tax_total' => 'decimal:2',
        'shipping_cost' => 'decimal:2',
        'total' => 'decimal:2',
    ];

    public static array $statusLabels = [
        'new'              => 'Neu',
        'payment_received' => 'Zahlung eingegangen',
        'processing'       => 'In Bearbeitung',
        'shipped'          => 'Versendet',
        'completed'        => 'Abgeschlossen',
        'cancelled'        => 'Storniert',
    ];

    public static array $paymentLabels = [
        'prepayment' => 'Vorkasse',
        'invoice'    => 'Rechnung',
    ];

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function items(): HasMany
    {
        return $this->hasMany(OrderItem::class);
    }

    public function addresses(): HasMany
    {
        return $this->hasMany(OrderAddress::class);
    }

    public function billingAddress()
    {
        return $this->addresses()->where('type', 'billing')->first();
    }

    public function shippingAddress()
    {
        return $this->addresses()->where('type', 'shipping')->first();
    }

    public function getStatusLabelAttribute(): string
    {
        return self::$statusLabels[$this->status] ?? $this->status;
    }

    public function getPaymentLabelAttribute(): string
    {
        return self::$paymentLabels[$this->payment_method] ?? $this->payment_method;
    }

    public static function generateOrderNumber(): string
    {
        return 'ORD-' . date('Ymd') . '-' . strtoupper(substr(uniqid(), -5));
    }
}